\begin{figure}[ht!]
\begin{center}
\begin{tikzpicture}
[scale=4.00,
arrownode/.style={double arrow, draw, text width=2cm, text centered},
sarrownode/.style={single arrow, draw, text width=1cm, text centered},
srcnode/.style={anchor=east,copy shadow={opacity=.5},fill=blue!20,draw=blue,text width=10cm,text justified},
dstnode/.style={anchor=west,copy shadow={opacity=.5},fill=green!20,draw=green,text width=10cm,text justified},
]
{
\draw (0.00,-0.00) node[dstnode]{very large quantities of dangerous goods are transported around the eu both on roads and railways and by sea by adopting this directive we achieve an increase in safety when dangerous goods are both transported and transhipped the second challenge is that of enlargement which will of course have a considerable impact both in budgetary and geographical terms};
};
\end{tikzpicture}
\end{center}
\caption{A corpus after preprocessing.}
\label{fig:corpus}
\end{figure}
